Add compute key support to EC_KEY_METHOD

[openssl.git] / include / openssl / ec.h

diff --git a/include/openssl/ec.h b/include/openssl/ec.h
index 7f420b5636e64f4ed0c3d1aee9e5a535caf018e5..99c945a184457ed67020f56cfe302020bdc813bf 100644 (file)
--- a/include/openssl/ec.h
+++ b/include/openssl/ec.h
@@ -749,6 +749,7 @@ typedef struct ec_key_method_st EC_KEY_METHOD;
 /* some values for the flags field */
 # define EC_FLAG_NON_FIPS_ALLOW  0x1
 # define EC_FLAG_FIPS_CHECKED    0x2
+# define EC_FLAG_COFACTOR_ECDH   0x1000
 
 /** Creates a new EC_KEY object.
  *  \return EC_KEY object or NULL if an error occurred.
@@ -989,6 +990,15 @@ const EC_KEY_METHOD *EC_KEY_get_default_method(void);
 void EC_KEY_set_default_method(const EC_KEY_METHOD *meth);
 EC_KEY *EC_KEY_new_method(ENGINE *engine);
 
+int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
+                   const unsigned char *Z, size_t Zlen,
+                   const unsigned char *sinfo, size_t sinfolen,
+                   const EVP_MD *md);
+
+int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
+                     EC_KEY *ecdh, void *(*KDF) (const void *in, size_t inlen,
+                                                 void *out, size_t *outlen));
+
 # define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x)
 
 # ifndef __cplusplus